diff --git a/pkg/models/evem.go b/pkg/models/evem.go
index af6e6d3..1f51f59 100644
--- a/pkg/models/evem.go
+++ b/pkg/models/evem.go
@@ -91,13 +91,13 @@ type EventModelGetAlarmingResponse struct {
 
 // 3.4.1.3
 type EventModelGetAlarmInfoStatusResponse struct {
-	ErrorCode              uint                         `json:"ERRORCODE"`
-	ErrorCause             string                       `json:"ERRORCAUSE"`
-	MotionDetectionAlarm   []MotionDetectionAlarmStatus `json:"MD"`
-	IOAlarm                []IOAlarmStatus              `json:"IO"`
-	StorageAlarm           []StorageAlarmStatus         `json:"ST"`
-	StorageAlarmParameters []CameraCoveredAlarmStatus   `json:"VS"`
-	VideoLossAlarm         []VideoLossAlarmStatus       `json:"VL"`
+	ErrorCode            uint                         `json:"ERRORCODE"`
+	ErrorCause           string                       `json:"ERRORCAUSE"`
+	MotionDetectionAlarm []MotionDetectionAlarmStatus `json:"MD"`
+	IOAlarm              []IOAlarmStatus              `json:"IO"`
+	StorageAlarm         []StorageAlarmStatus         `json:"ST"`
+	CameraCoveredAlarm   []CameraCoveredAlarmStatus   `json:"VS"`
+	VideoLossAlarm       []VideoLossAlarmStatus       `json:"VL"`
 }
 
 // 3.4.1.4.1
@@ -117,9 +117,8 @@ type IOAlarmStatus struct {
 
 // 3.4.1.4.4
 type CameraCoveredAlarmStatus struct {
-	ChannelMask uint `json:"CH"`
-	AlarmMask   uint `json:"AT"`
-	StatusMask  uint `json:"AS"`
+	Status uint `json:"ISA"`
+	Mask   uint `json:"LCH"`
 }
 
 // 3.4.1.4.4